Add auto dmp file genration

CMakeLists.txt

@@ -68,6 +68,7 @@ option(USE_LTO "Use link-time optimization" OFF)
 option(WITH_BETTER_RENDERER "Experimental multi-backend renderer based on NVRHI" ON)
 option(GENERATE_PDB "Generate executable with program debugging symbols" ON)
 option(ENABLE_MCC "Enable multicore compilation" ON)
+option(WITHDUMPGEN "Enable generating DMP files on crash" ON)
 
 set(BUILD_EXAMPLES OFF CACHE BOOL "" FORCE)
 
@@ -265,6 +266,10 @@ if (WITH_LUA)
 	set(SOURCES ${SOURCES} "lua.cpp")
 endif()
 
+if (WITHDUMPGEN)
+	set(DEFINITIONS ${DEFINITIONS} "WITHDUMPGEN")
+endif()
+
 if (WITH_OPENGL_MODERN)
         set(SOURCES ${SOURCES}
             "opengl33geometrybank.cpp"

EU07.cpp

@@ -21,6 +21,10 @@ Stele, firleju, szociu, hunter, ZiomalCl, OLI_EU and others
 #include "application.h"
 #include "Logs.h"
 #include <cstdlib>
+#ifdef WITHDUMPGEN
+#include <Windows.h>
+#include <DbgHelp.h>
+#endif
 
 #ifdef _MSC_VER
 #pragma comment(linker, "/subsystem:windows /ENTRY:mainCRTStartup")
@@ -28,8 +32,32 @@ Stele, firleju, szociu, hunter, ZiomalCl, OLI_EU and others
 
 void export_e3d_standalone(std::string in, std::string out, int flags, bool dynamic);
 
+#ifdef WITHDUMPGEN
+LONG WINAPI CrashHandler(EXCEPTION_POINTERS *ExceptionInfo)
+{
+	HANDLE hFile = CreateFileA("crash.dmp", GENERIC_WRITE, 0, nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
+	if (hFile != INVALID_HANDLE_VALUE)
+	{
+		MINIDUMP_EXCEPTION_INFORMATION dumpInfo;
+		dumpInfo.ThreadId = GetCurrentThreadId();
+		dumpInfo.ExceptionPointers = ExceptionInfo;
+		dumpInfo.ClientPointers = FALSE;
+
+		MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), hFile, MiniDumpWithDataSegs, &dumpInfo, nullptr, nullptr);
+		CloseHandle(hFile);
+    }
+
+	return EXCEPTION_EXECUTE_HANDLER;
+}
+#endif
+
+
 int main(int argc, char *argv[])
 {
+#ifdef WITHDUMPGEN
+	SetUnhandledExceptionFilter(CrashHandler);
+#endif
+
     // quick short-circuit for standalone e3d export
     if (argc == 6 && std::string(argv[1]) == "-e3d") {
         std::string in(argv[2]);